The Pro Trinket - Bootloader and FTDI:

There are two ways to program the Pro Trinket.

You can use either a USB Bootloader:

Or you can use the FTDI headers and an FTDI board/cable (the method I used.)

This guide was first published on Apr 09, 2015. It was last updated on Apr 09, 2015.

This page (Arduino Sketch) was last updated on May 09, 2021.

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